Phages are viruses that attack bacteria by injecting their DNA, then usurping bacterial machinery to reproduce. Eventually, they make so many copies of themselves that the bacteria burst.

To understand how Bil works, Sorek’s team compared phage progeny from infected bacteria with and without the system. They performed density gradient centrifugation to separate phages from bacterial ...

Discover the hidden world around you! Join your classmates and other student-scientists from schools all across the U.S. and beyond in a hunt for phages — viruses that infect bacteria. Day1: Phage ...